header>ul>li {
    float: left;
    margin: 0 10px;
    width: 40px;
}

header>ul {
    left: 50%;
    transform: translateX(-50%);
}

.aaa {
    height: 30px;
}

header {
    line-height: 30px;
    padding: 17px 34px;
    border-bottom: 1px solid rgb(174, 199, 236);
    z-index: 999;
}

header>ul>li>a {
    border-bottom: 2px solid rgba(255, 255, 255, 0);
    padding-bottom: 19px;
}

header>ul>li:hover a {
    border-bottom: 2px solid #00bdff;
    font-size: 13px;
    color: #00bdff;
}

.login>a:nth-of-type(1) {
    border: 1px solid rgb(174, 199, 236);
    margin-right: 10px;
}

.login>a:nth-of-type(2) {
    background-color: rgb(237, 81, 10);
    color: white;
}

.login>a {
    padding: 7px 14px;
    border-radius: 20px;
}

.f_l {
    width: 260px;
}

.f_r {
    width: 880px;
    text-align: left;
    box-sizing: border-box;
    padding-left: 55px;
}

.f_l>img {
    margin: 55px 0 50px;
}

.f_l li {
    width: 70px;
    float: left;
    margin-left: 10px;
}


.f_l p {
    margin: 6px 0;
}

.btnn {
    background-color: #00bdff;
    width: 120px;
    height: 40px;
    border: 0;
}

.ooo img {
    width: 23px;
    height: 23px;
    vertical-align: -6px;
}

.ooo p {
    margin-right: 30px;
}

.f_l,
.f_r {

    margin-top: 40px;
    height: 270px;
    /* background-color: rgb(255, 0, 0); */
}

.f00 {
    color: #00bdff;
    border: 1px solid #00bdff;
    margin-right: 10px;
}

.f00_9 {
    color: #bfbfbf;
    border: 1px solid #bfbfbf;
    margin-right: 10px;
    cursor: pointer;
}

.f00_9:hover {
    color: #00bdff;
    border: 1px solid #00bdff;
}

.nnn {
    color: #00bdff;
    border: 1px solid #00bdff;
}

.f00_9:hover .sele {
    display: inline-block;
}

.sele {
    position: absolute;
    bottom: 0;
    right: 0;
    display: none;
}

.f00_0 {
    padding: 4px;
    vertical-align: 4px;
}

.f00_1 {
    padding: 6px;
    line-height: 30px;
    user-select: none;
}

.f00_10 {
    padding: 6px;
    line-height: 30px;
    background-size: 100%;
}

#maa {
    z-index: 1;
    top: 8px;
    left: 8px;
    background-size: 10%;
    width: 10px;
    height: 10px;
    transition: all 0.6s 0s;
}

#mas {
    z-index: 99;
}


#maaa:hover #maa {
    background-size: 10%;
    width: 200px;
    height: 200px;
    top: -80px;
    left: -220px;
    transition: all 0.6s 0s;

}

#maaa:hover .sale {
    display: block;
}

.active {
    color: red;
    background-color: yellow;
}

#content>div {
    background-color: blue;
    display: none;
}

#content .on {
    display: block;
}
#title li{float: left;}